Using CC(=O)OCCN1C(=O)[C@@H](NC(=O)c2cc3ccccc3[nH]2)N=C(c2ccccc2)c2ccccc21 to produce O=C(N[C@H]1N=C(c2ccccc2)c2ccccc2N(CCO)C1=O)c1cc2ccccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.