Using O=C(n1ccnc1)n1ccnc1, C[C@@H](C(=O)O)n1c(-c2ccc(Cl)cc2)nc2cccnc21 to produce CNC(=O)[C@H](C)n1c(-c2ccc(Cl)cc2)nc2cccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.