Using Cc1nc(-c2ccc3c(c2)CCCC3)c(CC(Cl)C(=O)O)o1 to produce Cc1nc(-c2ccc3c(c2)CCCC3)c(CCC(=O)O)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.