Using C=CCC[C@@H](OC)[C@@H](C)C(=O)O, C=Cc1ccnc(COC(=O)[C@@H]2CCCN(C(=O)[C@H](Cc3cccc(O[Si](C)(C)C(C)(C)C)c3)NC(=O)[C@@H](NC=O)C(C)C)N2)c1 to produce C=CCC[C@@H](OC)[C@@H](C)C(=O)N[C@H](C(=O)N[C@@H](Cc1cccc(O[Si](C)(C)C(C)(C)C)c1)C(=O)N1CCC[C@@H](C(=O)OCc2cc(C=C)ccn2)N1)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.