Using CN1CCNCC1, C=C(C)OC(=O)Nc1cc(Oc2ccc(NC(=O)NC(=O)C(C)(C)C)nc2)ccn1 to produce CN1CCN(C(=O)Nc2cc(Oc3ccc(NC(=O)NC(=O)C(C)(C)C)nc3)ccn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.