Using COCOC1(c2ncc(-c3c(Cl)cnc4c3cc(-c3cnn(C)c3)n4S(=O)(=O)c3ccc(C)cc3)s2)CCC1 to produce COCOC1(c2ncc(-c3c(Cl)cnc4[nH]c(-c5cnn(C)c5)cc34)s2)CCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.