Using Cc1cc(COC2CCCCO2)n(-c2nc(Nc3ccc(Cl)cc3)c3ncn(C)c3n2)n1 to produce Cc1cc(CO)n(-c2nc(Nc3ccc(Cl)cc3)c3ncn(C)c3n2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.