Using O=C1NC(=O)c2ccccc21, CC(C)Oc1ccc(Oc2ncc(-c3ccc(C(C)O)s3)s2)cc1 to produce CC(C)Oc1ccc(Oc2ncc(-c3ccc(C(C)N4C(=O)c5ccccc5C4=O)s3)s2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.