Using CC(C)(C)OC(=O)Nc1ncc(C(=O)NCC2CCN(S(=O)(=O)CCc3ccccc3)CC2)cn1 to produce Nc1ncc(C(=O)NCC2CCN(S(=O)(=O)CCc3ccccc3)CC2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.