Using CCC(CC)Nc1c(C(=O)OC)c(C)nc2c(-c3c(C)cc(C)cc3C)cn(C)c12 to produce CCC(CC)Nc1c(C(=O)O)c(C)nc2c(-c3c(C)cc(C)cc3C)cn(C)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.