Using Cc1ccc(Cl)c(N)c1, Oc1ccc(Nc2cc(Cl)ncn2)cc1 to produce Cc1ccc(Cl)c(Nc2cc(Nc3ccc(O)cc3)ncn2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.