Using CNC(=O)c1ccccc1Nc1nc(Cl)ncc1Cl, Nc1ccc2c(c1)OCCNC2=O to produce CNC(=O)c1ccccc1Nc1nc(Nc2ccc3c(c2)OCCNC3=O)ncc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.