Using COc1ccc(C2COCCO2)c2sc(NC(=O)c3ccnc(Br)c3)nc12, FC1CNC1 to produce COc1ccc(C2COCCO2)c2sc(NC(=O)c3ccnc(N4CC(F)C4)c3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.