Using CC(C)(C)Cc1nc2cc(S(=O)(=O)CC3CCN(C(=O)OC(C)(C)C)CC3)ccc2n1CC1CC1 to produce CC(C)(C)Cc1nc2cc(S(=O)(=O)CC3CCNCC3)ccc2n1CC1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.