Using CSc1c(CC(=O)OCc2ccccc2)cc(C)c2c3ccccc3n(Cc3ccccc3)c12 to produce CSc1c(CC(=O)O)cc(C)c2c3ccccc3n(Cc3ccccc3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.