Using COCCl, CCSc1ccccc1-c1nc2cc(C(F)(F)F)cnc2[nH]1 to produce CCSc1ccccc1-c1nc2cc(C(F)(F)F)cnc2n1COC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.