Using CC(SCC(=O)N1CCCc2c(O)cccc21)(c1ccccc1)c1ccccc1 to produce CC(SCCN1CCCc2c(O)cccc21)(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.