Using O=C(O)Cc1ccccc1, CC(C)(C)OC(=O)N1CCC(CCO)CC1 to produce CC(C)(C)OC(=O)N1CCC(CCOC(=O)Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.