Using C#CCBr, Cn1c(C(F)(F)F)cnc(-c2ccc3c(c2)NC(=O)CO3)c1=O to produce C#CCN1C(=O)COc2ccc(-c3ncc(C(F)(F)F)n(C)c3=O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.