Using COC(=O)c1cccc(C(=O)N2CCCC[C@H]2CNc2cnc3cc(F)c(F)cc3n2)c1 to produce O=C(O)c1cccc(C(=O)N2CCCC[C@H]2CNc2cnc3cc(F)c(F)cc3n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.