Using Cn1nc(Cl)cc(Nc2ccc(C3CCNCC3)cn2)c1=O, O=C1COC1 to produce Cn1nc(Cl)cc(Nc2ccc(C3CCN(C4COC4)CC3)cn2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.