Using O=CCCc1cc(-c2cccs2)n(-c2ccccc2)n1, Cc1cccc(N2CCNCC2)c1C to produce Cc1cccc(N2CCN(CCCc3cc(-c4cccs4)n(-c4ccccc4)n3)CC2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.