Using O=Cc1ccc(B(O)O)cc1, Clc1nc2cccnc2cc1-c1ccccc1 to produce O=Cc1ccc(-c2nc3cccnc3cc2-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.