Using COCC(=O)Nc1ccc2c(Nc3cc(OC(=O)OC)c(C)cc3F)ncnc2c1 to produce COCC(=O)Nc1ccc2c(Nc3cc(O)c(C)cc3F)ncnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.