Using c1ccc(CC(CN(c2nccs2)C2Cc3ccccc3C2)C2CCCCN2)cc1 to produce c1ccc2c(c1)CC(N(CCC1CCCCN1)c1nccs1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.