Using O=CO, COc1c(N2CCNCC2)c(F)cc2c(=O)c(C(=O)O)cn(C3CC3)c12 to produce COc1c(N2CCN(C)CC2)c(F)cc2c(=O)c(C(=O)O)cn(C3CC3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.