Using O=Cc1cccc(C(=O)C(C(=O)c2cccc(F)c2)=C2Nc3ccccc3N2)c1, CC(C)=O to produce CC(=O)CC(O)c1cccc(C(=O)C(C(=O)c2cccc(F)c2)=C2Nc3ccccc3N2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.