Using O=C(O)CC1CC1, CC(C)c1ccc(NC(=O)C2CCNCC2)cc1 to produce CC(C)c1ccc(NC(=O)C2CCN(C(=O)CC3CC3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.