Using COC(=O)CCCn1c(-c2ccc(C(=N)N)cc2)nc2cc(C(=O)NCCC(=O)OC)ccc21 to produce COC(=O)CCNC(=O)c1ccc2c(c1)nc(-c1ccc(C(=N)N)cc1)n2CCCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.