Using O=C1CCC(=O)O1, CC[C@H]1CC[C@H](CCc2ccccc2)CC1 to produce CC[C@H]1CC[C@H](CCc2ccc(C(=O)CCC(=O)O)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.