Using Cn1c(Nc2nc3ccc(C(F)(F)F)cc3s2)nc2cc(C(=O)O)ccc21, CCOCCN to produce CCOCCNC(=O)c1ccc2c(c1)nc(Nc1nc3ccc(C(F)(F)F)cc3s1)n2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.