Using CC(C)(C)[Si](C)(C)Oc1cccc(C2(C3CNCCN3CCO)C(=O)NC(=O)NC2=O)c1 to produce O=C1NC(=O)C(c2cccc(O)c2)(C2CNCCN2CCO)C(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.