Using CCO, OC1CCC(Nc2ccc3ncc(-c4ccnc(Cl)c4)n3c2)CC1 to produce CCOc1cc(-c2cnc3ccc(NC4CCC(O)CC4)cn23)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.