Using O=C1CCC(=O)N1Cl, COCCOCn1cnc2cc(Oc3ccccc3)c(Cl)cc21 to produce COCCOCn1c(Cl)nc2cc(Oc3ccccc3)c(Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.