Using COC(=O)CCNC(=O)N1CCC2(CC1)C(=O)N(C)CN2c1ccccc1 to produce CN1CN(c2ccccc2)C2(CCN(C(=O)NCCC(=O)O)CC2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.