Using C1COCCO1, ClCCN1c2ccc(Cl)cc2C(c2ccccc2)=NCC1CCl to produce Clc1ccc2c(c1)C(c1ccccc1)=NCC1COCCN21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.