Using O=Cc1ccc(OCCO)cc1, COc1c(Cl)cnc(N)c1N to produce COc1c(Cl)cnc2[nH]c(-c3ccc(OCCO)cc3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.