Using COC(=O)c1ccc(N(N)CCc2ccc(C)nc2)cc1, O=C1CCCCN1 to produce Cc1ccc(CCn2c3c(c4cc(C(=O)O)ccc42)CNCC3)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.