Using COc1ccc(-c2cc3c(n2-c2ccccc2C)CCN(Cc2ccccc2)C3)cc1 to produce COc1ccc(-c2cc3c(n2-c2ccccc2C)CCNC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.