Using O=C(N1CCC(O)c2ccccc21)C12CC3CC(CC(C3)C1)C2, C1CCOC1 to produce CCOC1CCN(C(=O)C23CC4CC(CC(C4)C2)C3)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.