Using O=C1CCC(=O)N1Cl, Cn1c2cc(Cl)ccc2c(=O)c2cccn21 to produce Cn1c2cc(Cl)ccc2c(=O)c2ccc(Cl)n21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.