Using O=C(O)Cn1c(-c2ccc(Cl)cc2)nc2cccnc21, C=CCN to produce C=CCNC(=O)Cn1c(-c2ccc(Cl)cc2)nc2cccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.