Using COCCBr, COc1cc(C(=O)NN(Cc2ccc(-c3cc(Cl)ccc3F)cc2)C[C@@H](O)C(=O)O)on1 to produce COCCOC(=O)[C@H](O)CN(Cc1ccc(-c2cc(Cl)ccc2F)cc1)NC(=O)c1cc(OC)no1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.