Using Clc1cc(Cl)ncn1, Cc1nc2c(Cl)c(O)ccc2[nH]1 to produce Cc1nc2c(Cl)c(Oc3cc(Cl)ncn3)ccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.