Using C1COCCN1, O=C1CN(C(=O)Cc2ccc(F)cc2)N(C(=O)OCc2ccccc2)C1 to produce O=C(Cc1ccc(F)cc1)N1CC(N2CCOCC2)CN1C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.