Using O=C(Nc1ccc(N2CCNCC2)nc1)c1nnc(Nc2ccccc2F)o1, O=C(O)CO to produce O=C(Nc1ccc(N2CCN(C(=O)CO)CC2)nc1)c1nnc(Nc2ccccc2F)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.