Using COC(=O)CC1c2ccc(F)c(Br)c2CCN1C(C)=O, COC(=O)CC1c2ccc(F)c(Br)c2C=CN1C(C)=O to produce O=C1C=C2c3ccc(F)c(Br)c3CCN2C(=O)CN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.