Using O=C(C1CN(Cc2ccccc2)CC12CCCc1ccccc12)N1CCC(c2ccccc2)CC1 to produce O=C(C1CNCC12CCCc1ccccc12)N1CCC(c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.