Using CCOCC, NC(=O)c1cccc(C(=O)O)c1NC(=O)C(F)(F)c1ccc(F)cn1 to produce COC(=O)c1cccc2c(=O)[nH]c(C(F)(F)c3ccc(F)cn3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.