Using CN(CCOc1cccc2c1cc(S(=O)(=O)c1ccccc1)n2C(=O)OC(C)(C)C)C(=O)OC(C)(C)C to produce CNCCOc1cccc2[nH]c(S(=O)(=O)c3ccccc3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.