Using BrCCCOc1ccc(-c2csc3ccccc23)cc1, c1ccc2c(c1)CCNC2 to produce c1ccc2c(c1)CCN(CCCOc1ccc(-c3csc4ccccc34)cc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.