Using COC(=O)c1ccc(-c2cc(F)ccc2CNc2ccc(Br)c(F)c2)cn1 to produce O=C(O)c1ccc(-c2cc(F)ccc2CNc2ccc(Br)c(F)c2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.