Using COc1ccc(COc2cccnc2N)cc1, CCOC(=N)Cc1ccccc1C to produce COc1ccc(COc2cccnc2NC(=N)Cc2ccccc2C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.