Using O=C1CCC(=O)N1Cl, CCOC(=O)c1cc2c(ccn2OC)nc1C(=O)OCC to produce CCOC(=O)c1cc2c(nc1C(=O)OCC)c(Cl)cn2OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.