Using O=C(N1CCC(N2CCOCC2)CC1)C12CC(c3ccccc31)c1ccccc12 to produce c1ccc2c(c1)C1CC2(CN2CCC(N3CCOCC3)CC2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.