Using Clc1cnccn1, CCOC(=O)CC1OB(O)c2cc(O)cc(OCc3ccccc3)c21 to produce CCOC(=O)CC1OB(O)c2cc(Oc3cnccn3)cc(OCc3ccccc3)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.