Using CS(=O)(=O)c1nc2ccn(Cc3ccccc3)c(=O)c2n1Cc1ccccc1, C1CNCCN1 to produce O=c1c2c(ccn1Cc1ccccc1)nc(N1CCNCC1)n2Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.