Using CC(C)(C)[Si](C)(C)O[C@@H]1C[C@H](C(=O)O)N(C(=O)OCc2ccccc2)C1, O=C(c1ccccc1)C(O)c1ccccc1 to produce CC(C)(C)[Si](C)(C)O[C@@H]1C[C@H](C(=O)OC(C(=O)c2ccccc2)c2ccccc2)N(C(=O)OCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.