Using COCOCC1(C)CCC(Cc2ccc(Cl)cc2)C1(O)Cn1cncn1 to produce CC1(CO)CCC(Cc2ccc(Cl)cc2)C1(O)Cn1cncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.