Using CC(=O)N1CCC(C(=O)O)CC1, NCC(=O)c1ccccc1 to produce CC(=O)N1CCC(C(=O)NCC(=O)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.