Using O=Cc1ccc(O)cc1, CC(C)(C)OC(=O)N1CCN(CCCO)CC1 to produce CC(C)(C)OC(=O)N1CCN(CCCOc2ccc(C=O)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.