Using CCCC(CC)CC(C(=O)OC)n1ncc(OCC2CCCC2)c(Cl)c1=O to produce CCCC(CC)CC(C(=O)O)n1ncc(OCC2CCCC2)c(Cl)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.