Using C=Cc1coc(-c2c(-c3ccccc3)cnnc2-c2ccccc2)n1 to produce CCc1coc(-c2c(-c3ccccc3)cnnc2-c2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.