Using ClCc1ccc(OCc2ccc3ccccc3n2)nc1, CCOC(=O)CCc1c[nH]nc1OCC to produce CCOC(=O)CCc1cn(Cc2ccc(OCc3ccc4ccccc4n3)nc2)nc1OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.