Using Cc1ccc(C(=O)c2cc(C(=O)O)c(C(=O)c3ccc(C)cc3)cc2C(=O)O)cc1 to produce Cc1ccc(Cc2cc(C(=O)O)c(Cc3ccc(C)cc3)cc2C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.