Using O=C(O)C1CCCCN1, CC(C)(C)C1CCC(Oc2ccc3cc(C=O)ccc3c2)CC1 to produce CC(C)(C)C1CCC(Oc2ccc3cc(CN4CCCCC4C(=O)O)ccc3c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.