Using Cc1nc(C)c(CNc2nc(OCCO)nc(Cl)c2C)s1, Brc1ccc2cccnc2n1 to produce Cc1nc(C)c(CNc2nc(OCCOc3ccc4cccnc4n3)nc(Cl)c2C)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.