Using Cn1ncnc1CCl, O=c1[nH]c2c(cnn2-c2ccccc2)c2ccccc12 to produce Cn1ncnc1COc1nc2c(cnn2-c2ccccc2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.