Using CN(CCc1cc(F)ccc1Sc1c[nH]c2ccccc12)C(=O)OC(C)(C)C to produce CNCCc1cc(F)ccc1Sc1c[nH]c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.