Using O=C(O)Cn1ccc2cccnc21, COc1ncc(-c2ccccc2N2CCNCC2)cn1 to produce COc1ncc(-c2ccccc2N2CCN(C(=O)Cn3ccc4cccnc43)CC2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.