Using Cn1nc(C(C)(C)C)cc1NC(=O)Nc1ccc(OC2CCNCC2)cc1, O=C(O)c1ccccc1 to produce Cn1nc(C(C)(C)C)cc1NC(=O)Nc1ccc(OC2CCN(C(=O)c3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.